1044123120 has 120 divisors (see below), whose sum is σ = 3539545776. Its totient is φ = 275810304.

The previous prime is 1044123107. The next prime is 1044123133. The reversal of 1044123120 is 213214401.

It is an interprime number because it is at equal distance from previous prime (1044123107) and next prime (1044123133).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1044123093 and 1044123102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70264 + ... + 83816.

Almost surely, 2^1044123120 is an apocalyptic number.

1044123120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1044123120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769772888).

1044123120 is an abundant number, since it is smaller than the sum of its proper divisors (2495422656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1044123120 is a wasteful number, since it uses less digits than its factorization.

1044123120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13679 (or 13670 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1044123120 is about 32312.8940208085. The cubic root of 1044123120 is about 1014.4965414707.

Adding to 1044123120 its reverse (213214401), we get a palindrome (1257337521).

The spelling of 1044123120 in words is "one billion, forty-four million, one hundred twenty-three thousand, one hundred twenty".